Onkyo TX-8522, Руководство по обслуживанию

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TX-8522
IC BLOCK DIAGRAMS AND DESCRIPTIONS
1
2
3
5
6
7
8
9
PROTECTOR
REGU-
LATOR
Vss
OUT1
OUT2
IN1 IN2 GND
Vcc Vref
TA7291S(Volume motor driver)
IN1
0
1
0
1
IN2 OUT1 OUT2
0 STOP
0 H L CW/CCW
1 L H CCW/CW
1 L L BRAKE
CCW: Counter-clockwise
CW: Clockwise
INPUT OUTPUT
MODE
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
V
SS
V
DD
GND CK DATA STB
LEVEL SHIFT REGISTER
CIRCUIT
(R-ch)
10bit
Latch
Circuit
(Same
as L-ch
Circuit)
(L-ch)
10bit
Latch
Circuit
2
3
4
5
6
7
8
9
10
11
12
27
26
25
24
23
22
21
20
19
18
17
13 14 15 16
1
28
TC9273CNG(Analog Switch Array)
Pin No. Symbol Description
1 Vss Negative power supply pin
13 GND Digital ground pin
28 VDD Positive power supply pin
2/27 S1
3/26 S2
4/25 S3
5/24 S4
6/23 S5
7/22 S6
8/21 S7
9/20 S8
10/19 S9
11/18 S10
12/17 S11
14 CK Clock input pin for data transfer.
15 DATA Serial data input pin for setting switches.
16 STB Strobe input pin for data writing.
Input/Output pins